package person.bing.fbcloud.util.config;

/**
 * @author: mengfanbing
 * @date: 2019/8/8
 */
public class SingleUtil {
    private static volatile SingleUtil single;
    private SingleUtil(){};
    public static SingleUtil getInstance(){
        if (single == null){
            synchronized (SingleUtil.class){
                if (single == null){
                    single = new SingleUtil();
                }
            }
        }
        return single;
    }
}
